News and Articles

What size AC do I need? How tonnage is actually calculated, why the square-foot rule is only a sanity check, and why an oversized unit leaves an Alabama house cold and clammy — plus the three questions to ask anyone quoting you a system.

An AC freezing up in July sounds backwards, but it happens all summer in Alabama. Here's why coils ice over in the heat, the safe way to thaw a frozen unit, and how to tell whether the cause is airflow or a refrigerant leak.

How long do air conditioners last? In Alabama, about 12 to 15 years. Here are the real lifespan numbers, the warning signs your AC is near the end, and the simple repair-vs-replace math to decide whether one more fix is worth it.

How much does a new AC unit cost in 2026? An honest breakdown of central Alabama installed prices by system size and type, what really drives the bill, the 2026 refrigerant change, the expired federal tax credit, and how to read the gap between two very different quotes.

A clogged AC drain line is one of the most common — and most damaging — summer HVAC problems in Alabama. Here's how to spot a blocked condensate line early, how to clear it yourself, and when to call a pro before water reaches your ceiling.

Most homeowners don't know where their main water shut-off valve is until water's already on the floor. Here's how to find yours in an Alabama home, how to turn it, and what to do in the first three minutes of a leak. Tri-Counties Heating & Air.

Are HVAC maintenance plans actually worth $200 a year for an Alabama home? An honest breakdown of what's included, the real math vs. a-la-carte service, and the cases where you can skip one. Tri-Counties Heating & Air, Birmingham AL.

MERV 11 is the sweet spot for allergy households in Alabama. Here's what MERV ratings actually mean, when higher is worse (yes, really), how often to change filters, and the FPR/MPR translation table. Tri-Counties Heating & Air, Birmingham AL.

Capacitors are the #1 cause of summer AC breakdowns in Alabama. Here are 7 signs your AC capacitor is failing, why it happens more in the South, and what a fix should cost.

Whole house dehumidifiers can be a real comfort upgrade in Alabama — but not every home needs one. Here's how to tell if yours does, what they cost, what they fix, and where they don't make sense. Tri-Counties Heating & Air, Birmingham AL.

Twelve proven tips to lower your summer energy bill in Alabama — from thermostat settings and ceiling-fan direction to HVAC tune-ups and whole-home dehumidifiers. Real, actionable advice from Tri-Counties Heating & Air.

How long should your HVAC system last? Get the real lifespan numbers for AC units, furnaces, heat pumps, and ductwork — plus what shortens or extends their life. Tri-Counties Heating & Air, Birmingham AL.